Lock



FIG. 1 is a perspective view of the lock, showing my new design;

FIG. 2 is a front view of the lock;

FIG. 3 is a top view of the lock;

FIG. 4 is a back view of the lock;

FIG. 5 is a bottom view of the lock;

FIG. 6 is a side view of the lock, from the left side; and,

FIG. 7 is a side view of the lock, from the right side. 

The ornamental design for a lock, as shown and described. 